"SweetWater 420 Fest is a unique opportunity for us to blend entertainment with environmental awareness for the entire community to come together and enjoy," festival promoter Jennifer Bensch said in a statement. "We've worked hard to organize an exciting array of talented performers who embody the SweetWater culture, plus an engaging lineup of eco-friendly activities that will include a little something for everyone."

This year's musical talent includes George Clinton & Parliament Funkadelic; Robert Randolph & The Family Band; Black Joe Lewis & The Honey Bears; the Mosier Brothers; and the Bitteroots.

SweetWater 420 Fest will be held through Sunday, Apr. 21. Admission is free; a drink wristband costs $5 per day.